#1808FF#1808FF

#1808FF is a mid, highly saturated blue. Relative luminance 0.076; OKLCH L 45.9% C 0.308 H 266.0°. Best body text is #FFFFFF at 8.34:1 contrast (WCAG AA passes).

Color values

HEX	#1808FF
RGB	rgb(24, 8, 255)
HSL	hsl(244, 100%, 52%)
HSV	hsv(244, 97%, 100%)
CMYK	cmyk(90.6%, 96.9%, 0%, 0%)
CIE-LAB	lab(33.10, 78.15, -106.50)
CIE-LCH	lch(33.10, 132.10, 306.27°)
OKLab	oklab(45.87% -0.0215 -0.3077)
OKLCH	oklch(45.87% 0.308 266)
XYZ	xyz(18.5073, 7.5854, 95.0770)
Luminance	0.0759 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1808FF #EFFF08

analogous

#0873FF #1808FF #9408FF

triadic

#1808FF #FF1808 #08FF18

tetradic

#1808FF #FF0873 #EFFF08 #08FF94

square

#1808FF #FF0873 #EFFF08 #08FF94

split-complementary

#1808FF #FF9408 #73FF08

monochromatic

#09008D #0D00CA #1808FF #5145FF #8A82FF

Accessibility & contrast

On white

8.34

#1808FF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#1808FF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1808FF

8.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1808FF	#FFFFFF	#000000	##FFFFFF
##1808FF	1.00	8.34	2.52	8.34
#FFFFFF	8.34	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005AFF

Deuteranopia (green-blind)

#0040FB

Tritanopia (blue-blind)

#006C96

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #1808ff;
/* rgb */ color: rgb(24, 8, 255);
/* oklch */ color: oklch(45.9% 0.308 266.0);

Tailwind

colors: {
  custom: {
    50: '#8c5fff',
    500: '#1808ff',
    950: '#000000',
  },
}

SCSS

$custom: #1808ff;
$custom-light: #8c5fff;
$custom-dark: #000000;

JSON

{
  "hex": "#1808ff",
  "rgb": {
    "r": 24,
    "g": 8,
    "b": 255
  },
  "hsl": {
    "h": 243.887,
    "s": 100,
    "l": 51.569
  },
  "oklch": {
    "l": 0.45866,
    "c": 0.30842,
    "h": 266
  },
  "luminance": 0.07588
}

Semantic roles & 50–950 ramp

primary

#1808FF

secondary

#E1E87B

accent

#FF29F1

background

#FAF6FF

surface

#F4EBFF

border

#CEC6D7

text

#0F0618

muted

#7F7A86

Preview Lab

Preview with #1808FF

Body copy rendered with the generated semantic roles for this colour.

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